Search (4 results, page 1 of 1)

  • × author_ss:"Ruthven, I."
  • × theme_ss:"Retrievalalgorithmen"
  1. Ruthven, I.; Lalmas, M.: Selective relevance feedback using term characteristics (1999) 0.01
    0.011759723 = product of:
      0.023519445 = sum of:
        0.023519445 = product of:
          0.07055833 = sum of:
            0.07055833 = weight(_text_:i in 3824) [ClassicSimilarity], result of:
              0.07055833 = score(doc=3824,freq=2.0), product of:
                0.16931784 = queryWeight, product of:
                  3.7717297 = idf(docFreq=2765, maxDocs=44218)
                  0.044891298 = queryNorm
                0.41672117 = fieldWeight in 3824, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.7717297 = idf(docFreq=2765, maxDocs=44218)
                  0.078125 = fieldNorm(doc=3824)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
  2. Lalmas, M.; Ruthven, I.: Representing and retrieving structured documents using the Dempster-Shafer theory of evidence : modelling and evaluation (1998) 0.01
    0.008231806 = product of:
      0.016463611 = sum of:
        0.016463611 = product of:
          0.049390834 = sum of:
            0.049390834 = weight(_text_:i in 1076) [ClassicSimilarity], result of:
              0.049390834 = score(doc=1076,freq=2.0), product of:
                0.16931784 = queryWeight, product of:
                  3.7717297 = idf(docFreq=2765, maxDocs=44218)
                  0.044891298 = queryNorm
                0.29170483 = fieldWeight in 1076, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.7717297 = idf(docFreq=2765, maxDocs=44218)
                  0.0546875 = fieldNorm(doc=1076)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
  3. White, R.W.; Jose, J.M.; Ruthven, I.: ¬An implicit feedback approach for interactive information retrieval (2006) 0.01
    0.0070558335 = product of:
      0.014111667 = sum of:
        0.014111667 = product of:
          0.042335 = sum of:
            0.042335 = weight(_text_:i in 964) [ClassicSimilarity], result of:
              0.042335 = score(doc=964,freq=2.0), product of:
                0.16931784 = queryWeight, product of:
                  3.7717297 = idf(docFreq=2765, maxDocs=44218)
                  0.044891298 = queryNorm
                0.25003272 = fieldWeight in 964, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.7717297 = idf(docFreq=2765, maxDocs=44218)
                  0.046875 = fieldNorm(doc=964)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
  4. White, R.W.; Jose, J.M.; Ruthven, I.: Using top-ranking sentences to facilitate effective information access (2005) 0.01
    0.0058798613 = product of:
      0.011759723 = sum of:
        0.011759723 = product of:
          0.035279166 = sum of:
            0.035279166 = weight(_text_:i in 3881) [ClassicSimilarity], result of:
              0.035279166 = score(doc=3881,freq=2.0), product of:
                0.16931784 = queryWeight, product of:
                  3.7717297 = idf(docFreq=2765, maxDocs=44218)
                  0.044891298 = queryNorm
                0.20836058 = fieldWeight in 3881, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.7717297 = idf(docFreq=2765, maxDocs=44218)
                  0.0390625 = fieldNorm(doc=3881)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)